The New Testament stands unchallenged, in the words of Professor Bart D. Ehrman, not only as the "'bestseller' of all time," but also as the most important "book¿or collection of books¿in the history of Western civilization." What different kinds of books are in the New Testament? When, how, and why were they written? Who wrote them? And why and how did some books come to be collected into what Christians would consider the canon of Scripture that would define their belief?